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Showing 1 to 4 of 4 for “"Fluid and Plasma Physics"”.
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The role of ambipolar diffusion in the formation of interstellar cloud cores and protostars
… stars is a fundamental unsolved problem in astrophysics. Interstellar molecular clouds, observed to be the birth place of stars, have masses much larger than those of typical stars. Observed densities, temperatures, and strengths of well-ordered magnetic fields imply that magnetic forces, …
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Consequences of spontaneous and anomalous symmetry breaking for the orbital and mass flow hydrodynamics of helium-3
… three problems associated with the mass flow and orbital hydrodynamics of $\sp3$He-A. The first concerns the form of the T = 0 mass current in local equilibrium; the second is a paradox associated with the non-conservation of superfluid linear momentum at T = 0; and the third involves a …
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Acoustic Propagation in Poroelastic Media
… of contaminants into ground water supplies, and the flow of fluids in packed beds. The aim of this work is to solve the equations of motion for the fluid and solid domains of a porous media, for the propagation of acoustic or small amplitude waves through the media. Porous media are modeled …
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Differential and Integral Invariance of the Relativistic Vlasov-Boltzmann Equation and the Associated Invariant Variational Problem
… from quantum field theory for scalar bosons and Dirac fermion fields. Lie's principle of differential invariance is extended to the case of non-linear integro-differential equations for both scalar and matrix distribution functions, corresponding to scalar and fermion kinetic equations …